/** @file
  This library is only intended to be used by PlatformBootManagerLib
  to show progress bar and LOGO.

Copyright (c) 2011 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#include <Uefi.h>
#include <Protocol/GraphicsOutput.h>
#include <Protocol/SimpleTextOut.h>
#include <Protocol/PlatformLogo.h>
#include <Protocol/UgaDraw.h>
#include <Protocol/BootLogo.h>
#include <Library/BaseLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/PcdLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/DebugLib.h>

/**
  Show LOGO returned from Edkii Platform Logo protocol on all consoles.

  @retval EFI_SUCCESS     Logo was displayed.
  @retval EFI_UNSUPPORTED Logo was not found or cannot be displayed.
**/
EFI_STATUS
EFIAPI
BootLogoEnableLogo (
  VOID
  )
{
  EFI_STATUS                            Status;
  EDKII_PLATFORM_LOGO_PROTOCOL          *PlatformLogo;
  EDKII_PLATFORM_LOGO_DISPLAY_ATTRIBUTE Attribute;
  INTN                                  OffsetX;
  INTN                                  OffsetY;
  UINT32                                SizeOfX;
  UINT32                                SizeOfY;
  INTN                                  DestX;
  INTN                                  DestY;
  UINT32                                Instance;
  EFI_IMAGE_INPUT                       Image;
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *Blt;
  EFI_UGA_DRAW_PROTOCOL                 *UgaDraw;
  UINT32                                ColorDepth;
  UINT32                                RefreshRate;
  EFI_GRAPHICS_OUTPUT_PROTOCOL          *GraphicsOutput;
  EFI_BOOT_LOGO_PROTOCOL                *BootLogo;
  UINTN                                 NumberOfLogos;
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *LogoBlt;
  UINTN                                 LogoDestX;
  UINTN                                 LogoDestY;
  UINTN                                 LogoHeight;
  UINTN                                 LogoWidth;
  UINTN                                 NewDestX;
  UINTN                                 NewDestY;
  UINTN                                 BufferSize;

  Status  = gBS->LocateProtocol (&gEdkiiPlatformLogoProtocolGuid, NULL, (VOID **) &PlatformLogo);
  if (EFI_ERROR (Status)) {
    return EFI_UNSUPPORTED;
  }

  UgaDraw = NULL;
  //
  // Try to open GOP first
  //
  Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiGraphicsOutputProtocolGuid, (VOID **) &GraphicsOutput);
  if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {
    GraphicsOutput = NULL;
    //
    // Open GOP failed, try to open UGA
    //
    Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiUgaDrawProtocolGuid, (VOID **) &UgaDraw);
    if (EFI_ERROR (Status)) {
      UgaDraw = NULL;
    }
  }
  if (EFI_ERROR (Status)) {
    return EFI_UNSUPPORTED;
  }

  //
  // Try to open Boot Logo Protocol.
  //
  Status = gBS->LocateProtocol (&gEfiBootLogoProtocolGuid, NULL, (VOID **) &BootLogo);
  if (EFI_ERROR (Status)) {
    BootLogo = NULL;
  }

  //
  // Erase Cursor from screen
  //
  gST->ConOut->EnableCursor (gST->ConOut, FALSE);

  if (GraphicsOutput != NULL) {
    SizeOfX = GraphicsOutput->Mode->Info->HorizontalResolution;
    SizeOfY = GraphicsOutput->Mode->Info->VerticalResolution;

  } else {
    ASSERT (UgaDraw != NULL);
    Status = UgaDraw->GetMode (UgaDraw, &SizeOfX, &SizeOfY, &ColorDepth, &RefreshRate);
    if (EFI_ERROR (Status)) {
      return EFI_UNSUPPORTED;
    }
  }

  Blt = NULL;
  NumberOfLogos = 0;
  LogoDestX = 0;
  LogoDestY = 0;
  LogoHeight = 0;
  LogoWidth = 0;
  NewDestX = 0;
  NewDestY = 0;
  Instance = 0;
  DestX = 0;
  DestY = 0;
  while (TRUE) {
    //
    // Get image from PlatformLogo protocol.
    //
    Status = PlatformLogo->GetImage (
                             PlatformLogo,
                             &Instance,
                             &Image,
                             &Attribute,
                             &OffsetX,
                             &OffsetY
                             );
    if (EFI_ERROR (Status)) {
      break;
    }

    if (Blt != NULL) {
      FreePool (Blt);
    }
    Blt = Image.Bitmap;

    //
    // Calculate the display position according to Attribute.
    //
    switch (Attribute) {
    case EdkiiPlatformLogoDisplayAttributeLeftTop:
      DestX = 0;
      DestY = 0;
      break;
    case EdkiiPlatformLogoDisplayAttributeCenterTop:
      DestX = (SizeOfX - Image.Width) / 2;
      DestY = 0;
      break;
    case EdkiiPlatformLogoDisplayAttributeRightTop:
      DestX = SizeOfX - Image.Width;
      DestY = 0;
      break;

    case EdkiiPlatformLogoDisplayAttributeCenterLeft:
      DestX = 0;
      DestY = (SizeOfY - Image.Height) / 2;
      break;
    case EdkiiPlatformLogoDisplayAttributeCenter:
      DestX = (SizeOfX - Image.Width) / 2;
      DestY = (SizeOfY - Image.Height) / 2;
      break;
    case EdkiiPlatformLogoDisplayAttributeCenterRight:
      DestX = SizeOfX - Image.Width;
      DestY = (SizeOfY - Image.Height) / 2;
      break;

    case EdkiiPlatformLogoDisplayAttributeLeftBottom:
      DestX = 0;
      DestY = SizeOfY - Image.Height;
      break;
    case EdkiiPlatformLogoDisplayAttributeCenterBottom:
      DestX = (SizeOfX - Image.Width) / 2;
      DestY = SizeOfY - Image.Height;
      break;
    case EdkiiPlatformLogoDisplayAttributeRightBottom:
      DestX = SizeOfX - Image.Width;
      DestY = SizeOfY - Image.Height;
      break;

    default:
      ASSERT (FALSE);
      continue;
      break;
    }

    DestX += OffsetX;
    DestY += OffsetY;

    if ((DestX >= 0) && (DestY >= 0)) {
      if (GraphicsOutput != NULL) {
        Status = GraphicsOutput->Blt (
                                   GraphicsOutput,
                                   Blt,
                                   EfiBltBufferToVideo,
                                   0,
                                   0,
                                   (UINTN) DestX,
                                   (UINTN) DestY,
                                   Image.Width,
                                   Image.Height,
                                   Image.Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
                                   );
      } else {
        ASSERT (UgaDraw != NULL);
        Status = UgaDraw->Blt (
                            UgaDraw,
                            (EFI_UGA_PIXEL *) Blt,
                            EfiUgaBltBufferToVideo,
                            0,
                            0,
                            (UINTN) DestX,
                            (UINTN) DestY,
                            Image.Width,
                            Image.Height,
                            Image.Width * sizeof (EFI_UGA_PIXEL)
                            );
      }

      //
      // Report displayed Logo information.
      //
      if (!EFI_ERROR (Status)) {
        NumberOfLogos++;

        if (NumberOfLogos == 1) {
          //
          // The first Logo.
          //
          LogoDestX = (UINTN) DestX;
          LogoDestY = (UINTN) DestY;
          LogoWidth = Image.Width;
          LogoHeight = Image.Height;
        } else {
          //
          // Merge new logo with old one.
          //
          NewDestX = MIN ((UINTN) DestX, LogoDestX);
          NewDestY = MIN ((UINTN) DestY, LogoDestY);
          LogoWidth = MAX ((UINTN) DestX + Image.Width, LogoDestX + LogoWidth) - NewDestX;
          LogoHeight = MAX ((UINTN) DestY + Image.Height, LogoDestY + LogoHeight) - NewDestY;

          LogoDestX = NewDestX;
          LogoDestY = NewDestY;
        }
      }
    }
  }

  if (BootLogo == NULL || NumberOfLogos == 0) {
    //
    // No logo displayed.
    //
    if (Blt != NULL) {
      FreePool (Blt);
    }

    return Status;
  }

  //
  // Advertise displayed Logo information.
  //
  if (NumberOfLogos == 1) {
    //
    // Only one logo displayed, use its Blt buffer directly for BootLogo protocol.
    //
    LogoBlt = Blt;
    Status = EFI_SUCCESS;
  } else {
    //
    // More than one Logo displayed, get merged BltBuffer using VideoToBuffer operation. 
    //
    if (Blt != NULL) {
      FreePool (Blt);
    }

    //
    // Ensure the LogoHeight * LogoWidth * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) doesn't overflow
    //
    if (LogoHeight > MAX_UINTN / LogoWidth / sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)) {
      return EFI_UNSUPPORTED;
    }
    BufferSize = LogoWidth * LogoHeight * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);

    LogoBlt = AllocatePool (BufferSize);
    if (LogoBlt == NULL) {
      return EFI_OUT_OF_RESOURCES;
    }

    if (GraphicsOutput != NULL) {
      Status = GraphicsOutput->Blt (
                          GraphicsOutput,
                          LogoBlt,
                          EfiBltVideoToBltBuffer,
                          LogoDestX,
                          LogoDestY,
                          0,
                          0,
                          LogoWidth,
                          LogoHeight,
                          LogoWidth * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
                          );
    } else {
      Status = UgaDraw->Blt (
                          UgaDraw,
                          (EFI_UGA_PIXEL *) LogoBlt,
                          EfiUgaVideoToBltBuffer,
                          LogoDestX,
                          LogoDestY,
                          0,
                          0,
                          LogoWidth,
                          LogoHeight,
                          LogoWidth * sizeof (EFI_UGA_PIXEL)
                          );
    }
  }

  if (!EFI_ERROR (Status)) {
    BootLogo->SetBootLogo (BootLogo, LogoBlt, LogoDestX, LogoDestY, LogoWidth, LogoHeight);
  }
  FreePool (LogoBlt);

  return Status;
}

/**
  Use SystemTable Conout to turn on video based Simple Text Out consoles. The 
  Simple Text Out screens will now be synced up with all non video output devices

  @retval EFI_SUCCESS     UGA devices are back in text mode and synced up.

**/
EFI_STATUS
EFIAPI
BootLogoDisableLogo (
  VOID
  )
{

  //
  // Enable Cursor on Screen
  //
  gST->ConOut->EnableCursor (gST->ConOut, TRUE);
  return EFI_SUCCESS;
}


/**

  Update progress bar with title above it. It only works in Graphics mode.

  @param TitleForeground Foreground color for Title.
  @param TitleBackground Background color for Title.
  @param Title           Title above progress bar.
  @param ProgressColor   Progress bar color.
  @param Progress        Progress (0-100)
  @param PreviousValue   The previous value of the progress.

  @retval  EFI_STATUS       Success update the progress bar

**/
EFI_STATUS
EFIAPI
BootLogoUpdateProgress (
  IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL TitleForeground,
  IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL TitleBackground,
  IN CHAR16                        *Title,
  IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL ProgressColor,
  IN UINTN                         Progress,
  IN UINTN                         PreviousValue
  )
{
  EFI_STATUS                     Status;
  EFI_GRAPHICS_OUTPUT_PROTOCOL   *GraphicsOutput;
  EFI_UGA_DRAW_PROTOCOL          *UgaDraw;
  UINT32                         SizeOfX;
  UINT32                         SizeOfY;
  UINT32                         ColorDepth;
  UINT32                         RefreshRate;
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL  Color;
  UINTN                          BlockHeight;
  UINTN                          BlockWidth;
  UINTN                          BlockNum;
  UINTN                          PosX;
  UINTN                          PosY;
  UINTN                          Index;

  if (Progress > 100) {
    return EFI_INVALID_PARAMETER;
  }

  UgaDraw = NULL;
  Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiGraphicsOutputProtocolGuid, (VOID **) &GraphicsOutput);
  if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {
    GraphicsOutput = NULL;

    Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiUgaDrawProtocolGuid, (VOID **) &UgaDraw);
    if (EFI_ERROR (Status)) {
      UgaDraw = NULL;
    }
  }
  if (EFI_ERROR (Status)) {
    return EFI_UNSUPPORTED;
  }

  SizeOfX = 0;
  SizeOfY = 0;
  if (GraphicsOutput != NULL) {
    SizeOfX = GraphicsOutput->Mode->Info->HorizontalResolution;
    SizeOfY = GraphicsOutput->Mode->Info->VerticalResolution;
  } else if (UgaDraw != NULL) {
    Status = UgaDraw->GetMode (
                        UgaDraw,
                        &SizeOfX,
                        &SizeOfY,
                        &ColorDepth,
                        &RefreshRate
                        );
    if (EFI_ERROR (Status)) {
      return EFI_UNSUPPORTED;
    }
  } else {
    return EFI_UNSUPPORTED;
  }

  BlockWidth  = SizeOfX / 100;
  BlockHeight = SizeOfY / 50;

  BlockNum    = Progress;

  PosX        = 0;
  PosY        = SizeOfY * 48 / 50;

  if (BlockNum == 0) {
    //
    // Clear progress area
    //
    SetMem (&Color, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0x0);

    if (GraphicsOutput != NULL) {
      Status = GraphicsOutput->Blt (
                          GraphicsOutput,
                          &Color,
                          EfiBltVideoFill,
                          0,
                          0,
                          0,
                          PosY - EFI_GLYPH_HEIGHT - 1,
                          SizeOfX,
                          SizeOfY - (PosY - EFI_GLYPH_HEIGHT - 1),
                          SizeOfX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
                          );
    } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
      Status = UgaDraw->Blt (
                          UgaDraw,
                          (EFI_UGA_PIXEL *) &Color,
                          EfiUgaVideoFill,
                          0,
                          0,
                          0,
                          PosY - EFI_GLYPH_HEIGHT - 1,
                          SizeOfX,
                          SizeOfY - (PosY - EFI_GLYPH_HEIGHT - 1),
                          SizeOfX * sizeof (EFI_UGA_PIXEL)
                          );
    } else {
      return EFI_UNSUPPORTED;
    }
  }
  //
  // Show progress by drawing blocks
  //
  for (Index = PreviousValue; Index < BlockNum; Index++) {
    PosX = Index * BlockWidth;
    if (GraphicsOutput != NULL) {
      Status = GraphicsOutput->Blt (
                          GraphicsOutput,
                          &ProgressColor,
                          EfiBltVideoFill,
                          0,
                          0,
                          PosX,
                          PosY,
                          BlockWidth - 1,
                          BlockHeight,
                          (BlockWidth) * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
                          );
    } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
      Status = UgaDraw->Blt (
                          UgaDraw,
                          (EFI_UGA_PIXEL *) &ProgressColor,
                          EfiUgaVideoFill,
                          0,
                          0,
                          PosX,
                          PosY,
                          BlockWidth - 1,
                          BlockHeight,
                          (BlockWidth) * sizeof (EFI_UGA_PIXEL)
                          );
    } else {
      return EFI_UNSUPPORTED;
    }
  }

  PrintXY (
    (SizeOfX - StrLen (Title) * EFI_GLYPH_WIDTH) / 2,
    PosY - EFI_GLYPH_HEIGHT - 1,
    &TitleForeground,
    &TitleBackground,
    Title
    );

  return EFI_SUCCESS;
}